Daily Sunspot Evaluation
Observation Sheet Monday, 20 March 2000
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 11
- Number of spots (f)
- 133
- Relative number (R)
- 243
- Observer
- TA
- Reading
- all checks consistent
- File
- 20000320.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 25 | 47W | 90 | 49W | - | |
| 2 | EKC – 58 | 11 | 28W | 71 | 30W | 11.5 | |
| 3 | CAO – 14 | 31 | 19W | 62 | 21W | 7.5 | |
| 4 | DAI – 12 | 18 | 01E | 42 | 01W | 8 | |
| 5 | HA – 4 | 22 | 33E | 10 | 31E | 2.5 | |
| 6 | CAO – 14 | 11 | 49E | 354 | 47E | 11.5 | |
| 7 | AX – 1 | 23 | 63E | 340 | 61E | 0.5 | |
| 8 | ? – 6 | -17 | 80W | 123 | 82W | - | |
| 9 | HR – 1 | -30 | 33W | 76 | 35W | 0.5 | |
| 10 | EAO – 20 | -16 | 02W | 45 | 04W | 11 | |
| 11 | ? – 2 | -16 | 83E | 320 | 81E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.